{"product_id":"ao820-abb-ao800-bipolar-analog-output-module","title":"AO820 ABB AO800 Bipolar Analog Output Module","description":"\u003ch3\u003eAO800 Series ABB AO800 Bipolar Analog Output Module - Model AO820\u003c\/h3\u003e\n\u003cp\u003eGet a quote for the \u003cstrong\u003eABB AO820\u003c\/strong\u003e Analog Output Module. Fast 24-48h global shipping via FedEx, UPS, and DHL backed by a 12-month warranty.\u003c\/p\u003e\n\u003ch3\u003eEngineering Introduction\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eAO820\u003c\/strong\u003e is an advanced 4-channel bipolar analog output module engineered for precision industrial control applications. As part of the \u003cstrong\u003eABB S800\u003c\/strong\u003e series, the \u003cstrong\u003eAO820\u003c\/strong\u003e provides individually galvanically isolated channels supporting flexible configuration of current or voltage signals through software settings.\u003c\/p\u003e\n\u003ch3\u003eCore Performance Parameters\u003c\/h3\u003e\n\u003ctable style=\"width: 99.9647%; height: 294px;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003cth style=\"width: 24.169%; height: 19.6px;\"\u003eEngineering Metric\u003c\/th\u003e\n\u003cth style=\"width: 73.4677%; height: 19.6px;\"\u003eSpecification Details\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.2px;\"\u003e\n\u003ctd style=\"width: 24.169%; height: 39.2px;\"\u003e\u003cstrong\u003eManufacturer \u0026amp; Series\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.4677%; height: 39.2px;\"\u003e\n\u003ca href=\"https:\/\/www.plcsparehub.com\/collections\/s800-i-o\"\u003e\u003cstrong\u003eABB S800\u003c\/strong\u003e\u003c\/a\u003e Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 24.169%; height: 19.6px;\"\u003e\u003cstrong\u003eModel Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.4677%; height: 19.6px;\"\u003e\n\u003cstrong\u003eAO820\u003c\/strong\u003e (Article Number: \u003cstrong\u003e3BSE008546R1\u003c\/strong\u003e)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.2px;\"\u003e\n\u003ctd style=\"width: 24.169%; height: 39.2px;\"\u003e\u003cstrong\u003eModule Classification\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.4677%; height: 39.2px;\"\u003eBipolar Analog Output Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.2px;\"\u003e\n\u003ctd style=\"width: 24.169%; height: 39.2px;\"\u003e\u003cstrong\u003eChannel Count \u0026amp; Types\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.4677%; height: 39.2px;\"\u003e4 channels (-20 to +20 mA, 0 to 20 mA, 4 to 20 mA, -10 to +10 V, 0 to 10 V, 2 to 10 V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.2px;\"\u003e\n\u003ctd style=\"width: 24.169%; height: 39.2px;\"\u003e\u003cstrong\u003eResolution \u0026amp; Precision\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.4677%; height: 39.2px;\"\u003e12 bits including sign; Max error 0.1% (voltage) \/ 0.15% (current)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 24.169%; height: 19.6px;\"\u003e\u003cstrong\u003eDynamic Response\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.4677%; height: 19.6px;\"\u003eRise time \u0026lt; 0.7 ms; Update cycle time ≤ 1.5 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.2px;\"\u003e\n\u003ctd style=\"width: 24.169%; height: 39.2px;\"\u003e\u003cstrong\u003eLoad Impedance Limits\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.4677%; height: 39.2px;\"\u003e≤ 550 Ω (current output); ≥ 5 kΩ (voltage output)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 24.169%; height: 19.6px;\"\u003e\u003cstrong\u003eThermal Stability\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.4677%; height: 19.6px;\"\u003eMaximum temperature drift of 90 ppm\/°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003ctd style=\"width: 24.169%; height: 19.6px;\"\u003e\u003cstrong\u003ePower Dissipation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.4677%; height: 19.6px;\"\u003eTypical 6 W thermal dissipation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eHardware Compatibility \u0026amp; Wiring Architecture\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible MTU Models:\u003c\/strong\u003e \u003cstrong\u003eTU810\u003c\/strong\u003e, \u003cstrong\u003eTU812\u003c\/strong\u003e, \u003cstrong\u003eTU814\u003c\/strong\u003e, \u003cstrong\u003eTU830\u003c\/strong\u003e, \u003cstrong\u003eTU833\u003c\/strong\u003e utilizing Keying Code BC.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTerminal Separation:\u003c\/strong\u003e Features dedicated separate terminal blocks for voltage and current outputs requiring correct physical wiring.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnvironmental Limits:\u003c\/strong\u003e Operating temperature range from 0 to +55 °C, with a derated limit of 40 °C for vertical mounting in compact MTUs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorrosion Protection:\u003c\/strong\u003e Certified to ISA-S71.04 G3 standards with IP20 enclosure protection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAdvanced Diagnostic \u0026amp; Safety Framework\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFront-Panel Indicators:\u003c\/strong\u003e Real-time visual status monitoring via F (Fault), R (Run), W (Warning), and O (OSP) LEDs.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLoop Readback Verification:\u003c\/strong\u003e Continuously reads back output data and verifies communication integrity to A\/D converters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOpen-Circuit Detection:\u003c\/strong\u003e Active continuous monitoring reports channel errors when current drops below 1 mA.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFail-Safe OSP Control:\u003c\/strong\u003e Output Set Point (OSP) function forces outputs to predetermined safe states upon error detection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eLogistics, Fulfillment \u0026amp; Warranty Terms\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard Warranty:\u003c\/strong\u003e Fully protected by a comprehensive \u003cstrong\u003e12-month warranty\u003c\/strong\u003e covering manufacturing defects.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGlobal Shipping Services:\u003c\/strong\u003e Rapid dispatch within \u003cstrong\u003e24-48 hours\u003c\/strong\u003e via trusted carriers including \u003cstrong\u003eFedEx\u003c\/strong\u003e, \u003cstrong\u003eUPS\u003c\/strong\u003e, and \u003cstrong\u003eDHL\u003c\/strong\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eIndustrial Application Scenarios\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProcess Control Loops:\u003c\/strong\u003e Driving electro-pneumatic valves and variable frequency drives in chemical processing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Generation:\u003c\/strong\u003e Delivering precise setpoint commands to turbine governor control systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFactory Automation:\u003c\/strong\u003e Interfacing multivariable actuators requiring isolated bipolar signal control.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eGlobal PLC Spare HUB Review\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eGlobal PLC Spare HUB Review\u003c\/strong\u003e: The \u003cstrong\u003eAO820\u003c\/strong\u003e offers superior channel-to-channel galvanic isolation, effectively eliminating ground loop interference in complex multi-instrument architectures. Its dual-terminal design gives engineers strict physical separation control during wiring layout.\u003c\/p\u003e\n\u003ch3\u003eGlobal PLC Spare HUB's Insight \u0026amp; Field Experience\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eGlobal PLC Spare HUB's Insight\u003c\/strong\u003e: When configuring the \u003cstrong\u003eAO820\u003c\/strong\u003e, double-check that your physical field wiring matches your software configuration choice, as separate terminals are designated for current and voltage outputs.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003eEngineering Field Example\u003c\/em\u003e: During an offshore platform instrumentation upgrade, an open-circuit fault occurred on a critical control valve loop. The \u003cstrong\u003eAO820\u003c\/strong\u003e immediately detected the loss of loop current via continuous open-circuit supervision, triggering the OSP state to hold the actuator safely while alerting the control room through ModuleBus diagnostics.\u003c\/p\u003e\n\u003ch3\u003eProfessional FAQ \u0026amp; Buying Guide\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHow do I configure channels for current versus voltage output on the AO820?\u003c\/strong\u003e\u003cbr\u003eThe signal type is configured entirely through software settings, but you must ensure field wiring is physically routed to the correct designated terminals for current or voltage.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat diagnostics are triggered if loop current drops below 1 mA?\u003c\/strong\u003e\u003cbr\u003eThe module detects open-circuit conditions continuously and reports a channel error via the ModuleBus, activating front-panel warning indicators.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhich MTU keying code is required for the AO820?\u003c\/strong\u003e\u003cbr\u003eThe module requires mounting units utilizing Keying Code BC, specifically compatible with \u003cstrong\u003eTU810\u003c\/strong\u003e, \u003cstrong\u003eTU812\u003c\/strong\u003e, \u003cstrong\u003eTU814\u003c\/strong\u003e, \u003cstrong\u003eTU830\u003c\/strong\u003e, and \u003cstrong\u003eTU833\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat buying guide recommendations apply when replacing older output cards?\u003c\/strong\u003e\u003cbr\u003eVerify that your control application can accommodate the 12-bit resolution with sign, a maximum 550 ohm load for current outputs, and individual galvanic isolation requirements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat does the OSP LED indicate on the front panel?\u003c\/strong\u003e\u003cbr\u003eThe OSP LED indicates that the Output Set Point function has been engaged, forcing outputs to predetermined safe states due to an active system or channel error detection.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":45382130106550,"sku":"AO820","price":116.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/AO820.jpg?v=1787646454","url":"https:\/\/www.plcsparehub.com\/products\/ao820-abb-ao800-bipolar-analog-output-module","provider":"Global PLC Spare Hub","version":"1.0","type":"link"}